Pith Number

pith:QOAGRF35

pith:2012:QOAGRF352CIQNL7ZLI4Y6SRO4J

not attested not anchored not stored refs pending

Improved Linear Precoding over Block Diagonalization in Multi-cell Cooperative Networks

Erry Gunawan, Yong Liang Guan, Yong Zeng

arxiv:1202.4856 v1 · 2012-02-22 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QOAGRF352CIQNL7ZLI4Y6SRO4J}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:01:40.407621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

838068977dd09106aff95a398f4a2ee26d66cdd72913a8e1fb3e91ea408cf96c

Aliases

arxiv: 1202.4856 · arxiv_version: 1202.4856v1 · doi: 10.48550/arxiv.1202.4856 · pith_short_12: QOAGRF352CIQ · pith_short_16: QOAGRF352CIQNL7Z · pith_short_8: QOAGRF35

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QOAGRF352CIQNL7ZLI4Y6SRO4J \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 838068977dd09106aff95a398f4a2ee26d66cdd72913a8e1fb3e91ea408cf96c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5449cfc359ff729ce6667330912f6a05892d7830a3437aaf4599125b80be1ef8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-22T08:43:52Z",
    "title_canon_sha256": "d283a1e0a90f7f334d6409e72689589665ac82d9d562f51e122263bbbfeecc0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4856",
    "kind": "arxiv",
    "version": 1
  }
}